itkStdStreamLogOutput.h

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/*=========================================================================
 *
 *  Copyright Insight Software Consortium
 *
 *  Licensed under the Apache License, Version 2.0 (the "License");
 *  you may not use this file except in compliance with the License.
 *  You may obtain a copy of the License at
 *
 *         http://www.apache.org/licenses/LICENSE-2.0.txt
 *
 *  Unless required by applicable law or agreed to in writing, software
 *  distributed under the License is distributed on an "AS IS" BASIS,
 *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 *  See the License for the specific language governing permissions and
 *  limitations under the License.
 *
 *=========================================================================*/
#ifndef itkStdStreamLogOutput_h
#define itkStdStreamLogOutput_h

#include <iostream>
#include <string>

#include <mutex>
#include "itkLogOutput.h"

namespace itk
{
class ITKCommon_EXPORT StdStreamLogOutput:public LogOutput
{
public:

  using Self = StdStreamLogOutput;
  using Superclass = LogOutput;
  using Pointer = SmartPointer< Self >;
  using ConstPointer = SmartPointer< const Self >;

  using StreamType = std::ostream;

  using StreamPointerType = std::ostream *;

  itkTypeMacro(StdStreamLogOutput, LogOutput);

  itkNewMacro(StdStreamLogOutput);

  itkGetConstMacro(Stream, StreamPointerType);

  void SetStream(StreamType & Stream);

  void Flush() override;

  void Write(double timestamp) override;

  void Write(std::string const & content) override;

  void Write(std::string const & content, double timestamp) override;

protected:
  StdStreamLogOutput();

  ~StdStreamLogOutput() override;

  void PrintSelf(std::ostream & os, Indent indent) const override;

private:

  StreamPointerType m_Stream;

  std::mutex m_Mutex;
};
}

#endif //itkStdStreamLogOutput_h